// Copyright (C) 2009 Jesse Jones
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using MmmDoc;
using Mono.Cecil;
using System.Collections.Generic;

namespace MmmDoc.Database
{
	internal sealed class ConstructorMember : Member
	{
		public ConstructorMember(Document doc, TypeDef type, MethodDefinition member) : base(type, member.ToString())
		{
			Key = member.DeclaringType.Name.StripBackTicks();			// TODO: need to disambiguate, maybe as a post step
			Access = (MemberAccess) (member.Attributes & MethodAttributes.MemberAccessMask);
			Modifiers = MethodMember.GetModifiers(member);
			Name = member.DeclaringType.Name.StripBackTicks();
			
			Arguments = new Arguments(doc, member);
			GenericArgs = MethodMember.GetGenericArgs(doc, member);
			
			var attrs = new List<string>();
			member.CustomAttributes.AddAttributes(attrs);
			foreach (SecurityDeclaration sec in member.SecurityDeclarations)
			{
				attrs.Add(sec.ToText(false));
			}
			if (member.ImplAttributes >= MethodImplAttributes.Unmanaged)
				attrs.Add(member.ImplAttributes.ToText());
			CustomAttributes = attrs.ToArray();
		}
		
		public Arguments Arguments {get; private set;}
		
		/// <summary>Null if the type is not generic.</summary>
		/// <remarks>These may be or may not be instantiated.</remarks>
		public TypeName[] GenericArgs {get; private set;}
		
		internal override void Disambiguate()
		{
			var builder = new System.Text.StringBuilder();
			
			builder.Append(Name);
			
			builder.Append(Arguments.Opener);
			for (int i = 0; i < Arguments.Names.Length; ++i)
			{
				if (Arguments.Modifiers[i] != null)
					builder.Append(Arguments.Modifiers[i]);
				
				builder.Append(Arguments.Types[i].Name);
				builder.Append(" ");
				builder.Append(Arguments.Names[i]);
				
				if (i + 1 < Arguments.Names.Length)
					builder.Append(", ");
			}
			builder.Append(Arguments.Closer);
			
			Key = builder.ToString();
		}
		
		internal override SortKey GetSortKey()
		{
			return new SortKey{Weight = 1, Name = Name, SubWeight = Arguments.Names.Length};
		}
		
		internal override string GetXmlName(TypeDef type)
		{
			var builder = new System.Text.StringBuilder();
			
			builder.Append("M:");
			
			builder.Append(type.GetXmlName());
			builder.Append('.');
			builder.Append("#ctor");
			
			if (GenericArgs != null && GenericArgs.Length > 0)
			{
				builder.Append("``");
				builder.Append(GenericArgs.Length.ToString());
			}
			
			if (Arguments.Types.Length > 0)
			{
				builder.Append('(');
				for (int i = 0; i < Arguments.Types.Length; ++i)
				{
					builder.Append(Arguments.Types[i].GetXmlName());
					
					if (i + 1 < Arguments.Types.Length)
						builder.Append(',');
				}
				builder.Append(')');
			}
			
			return builder.ToString();
		}
	}
}
